URL：https://upload.wikimedia.org/wikipedia/commons/thumb/b/bf/Game_Class_vs_6_inch_Maximum_Point_Blank_Range_of_some_cartridges_in_the_308_Winchester_Family.png/250px-Game_Class_vs_6_inch_Maximum_Point_Blank_Range_of_some_cartridges_in_the_308_Winchester_Family.png
掲載元：https://ja.wikipedia.org/wiki/.308ウィンチェスター
